<!DOCTYPE html>
<html>
<head>
    <title>文件快递柜</title>
</head>
<body>
    <form action="upload.php" method="post" enctype="multipart/form-data">
        <h2>上传文件</h2>
        <input type="file" name="file" required>
        <input type="submit" value="上传">
    </form>

    <h3>取件区</h3>
    <form action="download.php" method="get">
        <input type="text" name="code" placeholder="输入取件码" required>
        <input type="submit" value="下载文件">
    </form>
</body>
</html>
